I'm semi-new to elastic search (I used it much more than configuring it)
I noticed that my shards are distributed differently between my different nodes.
I can tell that all shards on the left are on the same Instance. On the right the shards are evenly distributed between the two instances.
Two questions:
Does this mean that my node on the left is actually only running on one instance?
Should I change that and how?
To be honest, this doesn't make any sense, but given your qualifying statement it's completely ok
Basically a primary and a replica shard do the the same amount of work, so there is no real concern to have different allocation patters like what you see.
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